.... The complainant took the depositions of Joseph Strong, Richard A. Reading, Edward W. Laight, and Lewis Phillips, of the city of New York, and Joseph Balch and ..., and in this way entitle themselves to be exonerated under the terms proved by parol. (Woollam v. Hearn, 7 Ves. 211; 2 Story's Eq. Jurisp. § 770; and Sugden on Vendors, 125 to 140, and cases ...